104.21.51.234
Classification: Whitelisted
104.21.51.234 is a whitelisted (trusted) IP address listed by Maltiverse. 10 sightings from 3 threat sources, last seen 2026-10-09.
Current activity
- Content Delivery Network — Belongs to a CDN with many allocated resources.
- Hosting provider — Shared hosting infrastructure.
Blacklist sightings
| Description | Source | First seen | Last seen | Labels | MITRE ATT&CK |
|---|---|---|---|---|---|
| Matched whitelist source: Cloudflare | Maltiverse | 2026-07-27 09:17:01 | 2026-10-09 15:34:33 | benign | |
| Phishing | Mr.Looquer | 2021-01-25 03:36:47 | 2021-01-31 12:35:44 | ||
| Phishing | Phishtank | 2021-01-27 08:30:55 | 2021-01-27 08:30:55 | compromised malicious-activity | |
| Phishing | Maltiverse | 2021-01-24 08:42:56 | 2021-01-24 08:42:56 | compromised |
Tags
phishing fraudWhois information
- AS name
- AS13335 Cloudflare, Inc.
- AS registry
- arin
- AS date
- 2014-03-28 00:00:00
- AS CIDR
- 104.21.48.0/20
- CIDR
- 104.16.0.0/12
- Registrant
- Cloudflare, Inc.
- Address
- 101 Townsend Street
- City
- San Francisco
- State
- CA
- Postal code
- 94119
- Country
- US — United States 🇺🇸
- Contact email
- [email protected], [email protected], [email protected]
- First indexed
- 2021-01-24 08:42:56
- Last updated
- 2026-10-09 15:34:33